diff options
Diffstat (limited to 'include/linux/of_platform.h')
| -rw-r--r-- | include/linux/of_platform.h | 77 |
1 files changed, 60 insertions, 17 deletions
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index 05cb4a928252..17471ef8e092 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -1,21 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ #ifndef _LINUX_OF_PLATFORM_H #define _LINUX_OF_PLATFORM_H /* * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. * <benh@kernel.crashing.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ -#include <linux/device.h> #include <linux/mod_devicetable.h> -#include <linux/pm.h> -#include <linux/of_device.h> -#include <linux/platform_device.h> + +struct device; +struct device_node; +struct of_device_id; +struct platform_device; /** * struct of_dev_auxdata - lookup table entry for device names & platform_data @@ -37,7 +33,7 @@ * Note: Using an auxdata lookup table should be considered a last resort when * converting a platform to use the DT. Normally the automatically generated * device name will not matter, and drivers should obtain data from the device - * node instead of from an anonymouns platform_data pointer. + * node instead of from an anonymous platform_data pointer. */ struct of_dev_auxdata { char *compatible; @@ -51,28 +47,61 @@ struct of_dev_auxdata { { .compatible = _compat, .phys_addr = _phys, .name = _name, \ .platform_data = _pdata } -extern const struct of_device_id of_default_bus_match_table[]; - /* Platform drivers register/unregister */ extern struct platform_device *of_device_alloc(struct device_node *np, const char *bus_id, struct device *parent); + +extern int of_device_add(struct platform_device *pdev); +extern int of_device_register(struct platform_device *ofdev); +extern void of_device_unregister(struct platform_device *ofdev); + +#ifdef CONFIG_OF extern struct platform_device *of_find_device_by_node(struct device_node *np); +#else +static inline struct platform_device *of_find_device_by_node(struct device_node *np) +{ + return NULL; +} +#endif +extern int of_platform_bus_probe(struct device_node *root, + const struct of_device_id *matches, + struct device *parent); + +#ifdef CONFIG_OF_ADDRESS /* Platform devices and busses creation */ extern struct platform_device *of_platform_device_create(struct device_node *np, const char *bus_id, struct device *parent); -extern int of_platform_bus_probe(struct device_node *root, - const struct of_device_id *matches, - struct device *parent); -#ifdef CONFIG_OF_ADDRESS +extern int of_platform_device_destroy(struct device *dev, void *data); + extern int of_platform_populate(struct device_node *root, const struct of_device_id *matches, const struct of_dev_auxdata *lookup, struct device *parent); +extern int of_platform_default_populate(struct device_node *root, + const struct of_dev_auxdata *lookup, + struct device *parent); +extern void of_platform_depopulate(struct device *parent); + +extern int devm_of_platform_populate(struct device *dev); + +extern void devm_of_platform_depopulate(struct device *dev); #else +/* Platform devices and busses creation */ +static inline struct platform_device *of_platform_device_create(struct device_node *np, + const char *bus_id, + struct device *parent) +{ + return NULL; +} +static inline int of_platform_device_destroy(struct device *dev, void *data) +{ + return -ENODEV; +} + static inline int of_platform_populate(struct device_node *root, const struct of_device_id *matches, const struct of_dev_auxdata *lookup, @@ -80,6 +109,20 @@ static inline int of_platform_populate(struct device_node *root, { return -ENODEV; } +static inline int of_platform_default_populate(struct device_node *root, + const struct of_dev_auxdata *lookup, + struct device *parent) +{ + return -ENODEV; +} +static inline void of_platform_depopulate(struct device *parent) { } + +static inline int devm_of_platform_populate(struct device *dev) +{ + return -ENODEV; +} + +static inline void devm_of_platform_depopulate(struct device *dev) { } #endif #endif /* _LINUX_OF_PLATFORM_H */ |